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.l <br /> B O R I N G L O G <br /> Project No. Boring 6 Casing Diameter Logged By <br /> KEI-P89-1104 9" 2" W.W. <br /> Project Name Unocal Well Head Elevation Date Drilled <br /> 7303 Pacific, Stocktn N/A 10/10/90 - 10/11/90 <br /> Boring No. Drilling Hollow-stem Drilling Company <br /> MW4 Method Auger West Hazmat <br /> Penetration G. W. Depth Strati- <br /> blows/6ft level (feet) graphy Description <br /> Samples USCS <br /> W <br /> 18/18 . Gravel with sand, well graded, sub- <br /> rounded to 1-1/411 diameter. <br /> Clay, trace fine sand, trace organic <br /> CL/ matter, moist, hard, light olive <br /> CH brown. <br /> 10/23/35 45 <br /> '' Silt, trace very fine sand, trace <br /> ML/ organic matter, moist, hard, olive <br /> MH brown. <br /> 33/50 for 50 Silt, trace sand, moist, hard, brown. <br /> 6" hard, brown. <br /> CL/ Clay, with silt, micaceous, trace <br /> CH sand, moist, hard, light brownish <br /> gray. <br /> 55 <br /> 11/33/50 <br /> for 5" CL/ Silty clay to clayey silt, micaceous'. <br /> CH trace sand, moist, hard, brown. <br /> to - <br /> ML/ <br /> MH Clayey silt to silty clay, as above. <br /> 19/22/26 �- ML/ =�» Silt with clay, micaceous trace fine <br /> 60 MH sand, saturated, light brownish gray. <br /> Page 3 of 4 <br />